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Construction in Full Swing at Malmö City Tunnel

Construction in Full Swing at Malmö City TunnelThe Öresund connection between Sweden and Denmark, a combination comprising both bridge and tunnel structures, was officially opened in July ... More Information

Longest Tunnel Breaks Through on Sweden's Bothnia Line

Longest Tunnel Breaks Through on Sweden's Bothnia LineThe 5.6 km Namntall tunnel, one of 16 such constructions on the Bothnia line and Sweden's longest railway tunnel, broke through on 30th ... More Information

Tunnelling Ends on the M-30 South Bypass in Madrid

Tunnelling Ends on the M-30 South Bypass in Madrid'Tizona', the world's biggest TBM with its twin 'Dulcinea', finished its job on 30th October, 2006 in the eastbound, south tunnel on the south ... More Information

Moutier Tunnel Breaks Through during Saint Barbara Day

Moutier Tunnel Breaks Through during Saint Barbara DayThe Moutier tunnel holed through on Monday 4th December, 2006 after a mass celebrated in honor of Saint Barbara, the patron saint of ... More Information

Steady Progress at Hallandsås

Steady Progress at HallandsåsAt the southern tunnel portal in Förslöv, commissioning of the 250 m-long TBM and its ancillary installations has been in progress since autumn 2005. ... More Information

2012 Olympic Games Powerline Tunnel Breaks Through in London

2012 Olympic Games Powerline Tunnel Breaks Through in LondonTunnelling work took a significant step forward with a scheduled breakthrough in one of the two tunnels being built to underground ... More Information

Lovat Readies TBM for Bosphorus Railway Tube Crossing in Istanbul

Lovat Readies TBM for Bosphorus Railway Tube Crossing in IstanbulThe Marmaray project in Istanbul will provide a fully upgraded commuter rail line, connecting Halkali on the European side with ... More Information

Second Tunnel Breakthrough at Castellanza

Second Tunnel Breakthrough at CastellanzaOn 18th November, 2006 the second tunnel for the project to sink underground the railway operated by Ferrovie Nord Milano through Castellanza, on the ... More Information

First TBM Breaks Through Metro Gold Line Eastside Extension in Los Angeles

First TBM Breaks Through Metro Gold Line Eastside Extension in Los AngelesA Herrenknecht machine dubbed 'Lola' has completed a 2.75 km tunnel for the USD898 million eastside extension of the ... More Information

BWARI Tunnel Breaks Through

BWARI Tunnel Breaks ThroughOn 25th October, 2006 the Jay Dee-Michels Pipeline Construction-Traylor joint venture broke through on the Big Walnut Augmentation/Rickenbacker Interceptor (BWARI) ... More Information

Second South Gotthard TBM Arrives in Faido

Second South Gotthard TBM Arrives in Faido Three years and eight months after starting out from Bodio in February 2003 and driving some 13.5 km of the west Gotthard base tunnel, the ... More Information

Third WBI International Short Course on Rock Mechanics, Stability and Design of Tunnels and Slopes

Third WBI International Short Course on Rock Mechanics, Stability and Design of Tunnels and SlopesAfter two successful events in the past two years, WBI International organizes on 23rd and 24th ... More Information

GBP371 Million Hindhead Tunnel Gets Green Light… at Last

GBP371 Million Hindhead Tunnel Gets Green Light… at LastThe long-running A3 tunnel saga may finally be drawing to a close after the Highways Agency revealed work could start next year and be ... More Information

Orica Buys Minova

Orica Buys MinovaExplosives, paint and chemicals firm Orica from Australia said it had signed an agreement to acquire UK-based chemical products maker Minova for a purchase price of AUD857 million ... More Information

Robbins TBM Will Challenge New Heights in the Andes

Robbins TBM Will Challenge New Heights in the AndesAssembly of a Robbins 5 m-diameter main beam TBM was completed in September 2006 for the Olmos trans-Andean project in Peru. Odebrecht ... More Information

Atlas Copco Launches an Improved 10t Underground Loader - the Scooptram® ST1030

Atlas Copco Launches an Improved 10t Underground Loader - the Scooptram® ST1030An improved electrical system, an EPA Tier 3 diesel engine and a new instrument panel represent the major ... More Information

Mont Sion Tunnel to Start Imminently in French Alps

Mont Sion Tunnel to Start Imminently in French AlpsThe A41 north stretch is the missing link on the A41 between Villy-le-Pelloux / Saint-Martin-Bellevue and Saint-Julien-en-Genevois in the ... More Information

Conference and Training Course on Safety in Tunnels

Conference and Training Course on Safety in TunnelsItaly today holds the world's main records regarding underground structures. Recently, risks have been increasing due to ageing tunnels while road ... More Information

Herrenknecht Tunnelling Systems Acquires Construction & Tunneling Services

Herrenknecht Tunnelling Systems Acquires Construction & Tunneling ServicesWith the common goal to provide optimal and thorough services to contractors and tunnelling projects in the North ... More Information

Internet Advertising Overtakes Magazines

Internet Advertising Overtakes MagazinesGuy Phillipson, CEO of the Internet Advertising Bureau www.iabuk.net has reported that spending on online advertising in the first half of 2006 has ... More Information

8th International Conference on Tunnel Construction and Underground Structures

8th International Conference on Tunnel Construction and Underground StructuresThe Slovenian Society for Underground and Geotechnical Constructions, the University of Ljubljana with the Faculty ... More Information

China International Symposium and Exhibition on High Speed Railway Tunnels

China International Symposium and Exhibition on High Speed Railway TunnelsAccording to statistics, 7,504 railway tunnels - with a total length of 4,305 km - were already in operation in China ... More Information

Madrid Completes All New Tunnels for its Metro Expansion

Madrid Completes All New Tunnels for its Metro ExpansionAll tunnelling required as part of the 2003-2007 expansion plan of the Madrid metro ended on 27th September, 2006 on Line 7 to east of ... More Information

Long Rock Bores Are a Good Match for Robbins MSBU

Long Rock Bores Are a Good Match for Robbins MSBURobbins announces its newest trenchless product, the Motorized Small Boring Unit (MSBU). The Robbins MSBU is a technically advanced type of ... More Information

Tunnels for Safer Roads in Mountainous South Tyrol

Tunnels for Safer Roads in Mountainous South TyrolThe Bolzano province in South Tyrol, Northern Italy has adopted an active policy to guarantee a safer road access to famous valleys like Val ... More Information

Upgrading the Orte-Falconara Rail Line

Upgrading the Orte-Falconara Rail LineThe Orte-Falconara line is one of the few transversal lines on the Italian rail network. It actually crosses the central Apennines from the Marche region ... More Information

Iceland TBMs Make a Strong Finish and Tie a World Record

Iceland TBMs Make a Strong Finish and Tie a World RecordThe Kárahnjúkar hydroelectric project includes approx. 72 km of tunnels that will transfer water to a powerhouse in the Fljótsdalur ... More Information

First Breakthrough on Andora-San Lorenzo al Mare Section on Genoa-Ventimiglia Line Dualling

First Breakthrough on Andora-San Lorenzo al Mare Section on Genoa-Ventimiglia Line DuallingOn 24th September, 2006 in San Bartolomeo al mare, next to Cervo torrent valley, tunnelling ended at ... More Information

4th Asian Rock Mechanics Symposium in Singapore

4th Asian Rock Mechanics Symposium in SingaporeThe 4th Asian Rock Mechanics Symposium is organised by the Singapore National Group of the International Society for Rock Mechanics (ISRM) and the ... More Information

TIMBY, New Construction Process for Immersed Tunnels

TIMBY, New Construction Process for Immersed TunnelsTIMBY, which stands for Tunnel IMmersed BY Bouygues, is a new process for construction of immersed tunnels. It is based on a machine ... More Information

Tunnelling Well Advanced on Tizi Ouzou-Algiers Potable Water Scheme

Tunnelling Well Advanced on Tizi Ouzou-Algiers Potable Water SchemeTizi Ouzou is situated at a pass that culminates at 270 metres ("tizi" means pass and "ouzou" means broom in Kabylian) but it is ... More Information

Herrenknecht TBM Completes Metronorte Line in Madrid

Herrenknecht TBM Completes Metronorte Line in MadridA TBM dubbed 'Chotis' finished the Metronorte tunnel as it holed through into Marques de la Valdavia station in Alcobendas at 12:18 p.m. on 18th ... More Information

First Sections Get Under Way on Ionian Coast Road SS 106

First Sections Get Under Way on Ionian Coast Road SS 106 The SS 106 Ionian road is approximately 490 km long, of which 415 km in Calabria (85%), 37 km in Basilicata and 38 km in Puglia. It ... More Information

Zillastro Tunnel on Ionian Tyrrhenian Cross-Country Road Also Called Bagnara-Bovalino

Zillastro Tunnel on Ionian Tyrrhenian Cross-Country Road Also Called Bagnara-BovalinoThe Zillastro tunnel is the major structure on the Ionian Tyrrhenian cross-country road, called Bagnara-Bovalino, ... More Information

Robbins TBM Digs Sewer Outfall in Northwest Spain

Robbins TBM Digs Sewer Outfall in Northwest SpainThe project to clean up the Ferrol estuary represents an investment of EUR112 million, financed by the North of Spain water agency (85%) and ... More Information

IPS Tunnel Division Wins Malmö City Tunnel Contract to Supply Personnel

IPS Tunnel Division Wins Malmö City Tunnel Contract to Supply PersonnelIPS is proud to announce that they have been awarded a contract to supply TBM specialists to the Malmö City tunnel joint ... More Information

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Tunnelling News

Bengaluru's ₹18,000-crore tunnel road project inches closer as four major firms submit bids

Four firms bid for Bengaluru's ₹18000 crore tunnel project linking Hebbal to Silk Board, expected to ease city traffic by 2029 under a 34-year ... More Information

Webuild advances Rocchetta Tunnel excavation

Upcoming construction milestones. Webuild is preparing for the next major phase on the Apice–Hirpinia section: the launch of the reinforced concrete ... More Information

MMRDA plans 70-km underground tunnel road network across Mumbai

The project, being prepared in phases, will enhance multi-level connectivity and ease commuting. By KAILASH BABAR · Google preferences in ET Follow us ... More Information

Kathmandu-Tarai Expressway achieves 43.3% progress

The total length of the seven tunnels under the project is 10.979 km. ... Construction progress for the Chandram Bhir tunnel. (2,250 metres) has ... More Information

MMRDA plans 70-km underground tunnel road network across Mumbai

The project, being prepared in phases, will enhance multi-level connectivity and ease commuting. By KAILASH BABAR · Google preferences in ET Follow us ... More Information

Hong Kong: Robotics And AI Enhance Tunnel Construction

It is leveraging artificial intelligence (AI), robotics and automation to advance the Trunk Road T2 and Cha Kwo Ling Tunnel project. These ... More Information

Single-Bore Tunnel Method Chosen for BART Silicon Valley Phase II

This decision allows VTA to advance project design towards 60%, stay on a critical path to tunnel construction and meet the projected revenue service ... More Information

Boring Co. begins 'controlled blasting' for Nashville tunnel at TN capitol

The Boring Co. has started excavation work at a state-owned parking lot on Rose Parks Boulevard for the Music City Loop project Wednesday, Aug. 13, ... More Information

TBM arrives in Montreal for delayed metro extension project

A custom-built tunnel boring machine (TBM) has arrived in Canada for use on a 6km extension of the Montreal Metro... More Information

Spain Confirms Feasibility of €8.5 Billion Morocco-Europe Tunnel

The study was conducted by German company Herrenknecht, the world leader in tunnel boring machines, at the request of the Spanish government's ... More Information

TxDOT spends $748M to burrow bus-size tunnels under Central Austin

The first tunnel boring machine will be deployed near ... Industry experts say tunnel boring machines typically advance about 50 feet per day. More Information

6 TBMs on Duty on the 27-Kilometer Line in Körfezray

Two of the six Tunnel Boring Machines (TBMs) that will serve in the first 27-kilometer phase are actively excavating tunnels, while the ... More Information

Construction on HS2's Euston tunnel will start 'fairly soon', says rail minister

Construction on the HS2 tunnel from Old Oak Common station to Euston station will start “fairly soon”, the rail minister has said... More Information

Blue Line Extension TBM Arrives at Port of Montreal

Railway Track and Structures Construction site of the future Vertières station (Pie-IX) in June 2025. Caption and photo courtesy of STM. MONTREAL - The tunnel boring machine (TBM) ... More Information

Tunnel break through milestone for Mt Messenger Bypass project

A 110 tonne excavating machine, called Hinetūparimaunga, has broken through at the northern end of the project's 235 metre-long tunnel ... More Information

$3.9 billion tunnel and bridge link for VA

Costing around $3.9 billion, the Hampton Roads Bridge-Tunnel (HRBT) upgrade Expansion project for Virginia will improve traffic flow for a key ... More Information

Extended North Tunnel Flood Mitigation Project Receives $18.2 Million in State Funding

The funding advanced by the board includes a $17.2 million loan and $1 million grant for the construction of the mile-long tunnel, which will divert ... More Information

Gateway Project faces new uncertainty amid government shutdown

Federal funding for the $16B Hudson Tunnel Project, aka Gateway, has been paused during the government shutdown, sparking political backlash. More Information

Tunnel Boring Machine Emily Passes Key Factory Test for DC Water Potomac River Tunnel Project

Tunnel boring machine (TBM), Emily. This test confirms that Emily is ready to begin excavating the southern leg of the Potomac River Tunnel — a ... More Information

Sydney Metro West achieves world-first in tunnelling technology

Sydney Metro West has achieved a world-first in tunnel construction with a Lining Erector Machine (LEM) successfully being used to line the mined ... More Information

Gateway construction continues despite Trump's claim of termination

Tutor Perini, the general contractor on the Manhattan Tunnel Project, confirmed construction activity is currently continuing as planned... More Information

Tunnelling complete for Annacis water supply project

Metro Vancouver has completed the tunnelling phase of the $450 million Annacis Water Supply Tunnel, which will complete in 2028... More Information

Santa Clara VTA confirms single tunnel plan for BART extension

With VTA now owning the tunnel boring machine, the agency assumes full responsibility for its performance, agency officials said. To manage the risk, ... More Information

Chennai: Tunnel Boring Machine Vaigai achieves breakthrough at Mandaveli Metro Station

CHENNAI: The Chennai Metro Rail Limited (CMRL) on Saturday achieved a major milestone in Phase II tunnelling works, as Tunnel Boring Machine (TBM) ... More Information

Trump 'terminates' $16 billion Hudson River tunnel project linking N.J. and N.Y.C.

President Trump said funding for the $16 billion Gateway Tunnel project is "terminated" at a press conference. New Jersey officials said they will ... More Information

$676 million underwater tunnel for India

The project is expected to cost around $676 million, with a Detailed Project Report (DPR) having now been completed. India's road transport network is ... More Information

€1.4 billion Belgian tunnel project approved

The first phase of the €1.4 billion project for Belgium’s new Limburg Noord-Zuid link has been approved. Construction should commence in 2027 on the project, which will form a section of ... More Information

Tunnel boring machine S-639B achieves breakthrough under Kanpur Metro Phase I Project

The package KNPCC-06 involves design and construction of a tunnel through TBM, cut and cover tunnel, underground ramp from Kanpur Central end of ... More Information

Lawmakers propose construction of undersea tunnel to link Luzon and Visayas

Several lawmakers from the Visayas region are proposing the construction of an underground tunnel that will serve as a permanent land connection ... More Information

Oman-UAE rail project hits major milestone with start of tunnel excavation

Tunnel excavation has begun in Oman's Al Hajar Mountains, marking a major milestone for the cross-border Oman-UAE Railway... More Information

Engineering the depths: innovative tunnelling for hydropower projects

Major schemes in Austria, China, and Germany are applying advanced underground construction techniques for hydropower projects. More Information

New tunnel, new standard: Silvertown project showcases innovation in surface protection

Originally approved in 2018, construction of the tunnel began in March 2021. In September 2023, following the completion of tunnelling works, ... More Information

Metro Manila Subway Project: DOTr launches third tunnel boring machine

Dubai: The Department of Transportation (DOTr) has launched a third tunnel boring machine (TBM) for the Metro Manila Subway Project (MMSP), ... More Information

Skanska JV wraps up $450M Baltimore tunnel nearly 2 years early

A joint venture has reached substantial completion on the $450 million Howard Street Tunnel Project in Baltimore nearly two years ahead of the original completion date, according to a ... More Information

Work continues on NYC megaprojects, despite $18B federal funding pause

Contractors on two of New York City’s largest infrastructure projects will keep digging, but they might glance over their shoulders toward Washington... More Information

HS2 Chipping Warden tunnel project moves step forward

HS2 Ltd An aerial view of the HS2 tunnel construction at Chipping Warden. A road HS2 Ltd. The 1.55 mile (2.5km) Chipping Warden tunnel will be ... More Information

First of three Tunnel boring machines on way to SA as beams go up for tram overpass

The first of three tunnel boring machines that will be used to complete the northern and southern tunnels project is on its way to SA as part of a ... More Information

Chennai Metro Rail's TBMs to begin tunneling between Thiruvanmiyur and Indira Nagar

Chennai Metro Rail begins tunnelling work in challenging stretch for phase II project, facing obstacles due to hard rock... More Information

Custom lifting gantry aids TBM removal - Construction Briefing

The four TBMs excavated the 8.4 mile (14 km) Northolt Tunnel section. Two went in each way, digging a pair of tunnels from both ends towards each ... More Information